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Amazon.com: Toner Compatible Toner Cartridge Replacement for Xerox Phaser 3100 High Yield 3100 for Xerox Phaser 3100 3100MFP Printer,Yields Up to 4000 Pages Work Efficiently Black : Office Products
How to patch the Xerox Phaser 3100MFP so that it doesn't ask for a Smart Card on every toner change : r/printers